Home / 19,695.85-27,180.78-10,743.50

Finding the Fourth Proportional to 19,695.85, 27,180.78 and 10,743.50

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Solution

The fourth proportional to 19,695.85, 27,180.78 and 10,743.50 is: 14,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,695.85 : 27,180.78 = 10,743.50 : x
  2. Step 2: Convert to fraction form
    19,695.85/27,180.78 = 10,743.50/x
  3. Step 3: Cross multiply
    19,695.85x = 27,180.78 × 10,743.50
  4. Step 4: Simplify right side
    19,695.85x = 292,016,709.93
  5. Step 5: Solve for x
    x = 292,016,709.93/19,695.85
  6. Step 6: Final answer
    x = 14,826.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.